package per.turtle.common.security.handler;

import cn.hutool.core.bean.BeanUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import per.turtle.common.core.exception.BaseException;
import per.turtle.common.core.exception.CustomException;
import per.turtle.common.core.exception.valid.PreAuthorizeException;
import per.turtle.common.core.web.entity.CommonResult;

import java.util.Objects;

/**
 * 全局异常处理器
 *
 * @author turtle
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 基础异常
     */
    @ExceptionHandler(BaseException.class)
    public CommonResult<?> baseException(BaseException e) {
        return CommonResult.error(e.getDefaultMessage());
    }

    /**
     * 业务异常
     */
    @ExceptionHandler(CustomException.class)
    public CommonResult<?> businessException(CustomException e) {
        if (BeanUtil.isEmpty(e.getCode())) {
            return CommonResult.error(e.getMessage());
        }
        return CommonResult.error(e.getCode(), e.getMessage());
    }

    @ExceptionHandler(Exception.class)
    public CommonResult<?> handleException(Exception e) {
        log.error(e.getMessage(), e);
        return CommonResult.error(e.getMessage());
    }

    /**
     * 权限异常
     */
    @ExceptionHandler(PreAuthorizeException.class)
    public CommonResult<?> preAuthorizeException(PreAuthorizeException e) {
        return CommonResult.error("没有权限，请联系管理员授权");
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Object validExceptionHandler(MethodArgumentNotValidException e) {
        log.error(e.getMessage(), e);
        String message = Objects.requireNonNull(e.getBindingResult().getFieldError()).getDefaultMessage();
        return CommonResult.error(message);
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler(BindException.class)
    public CommonResult<?> validatedBindException(BindException e) {
        log.error(e.getMessage(), e);
        String message = e.getAllErrors().get(0).getDefaultMessage();
        return CommonResult.error(message);
    }

}
